A keystone species is
A) the largest species in a community.
B) the most numerous species in a community.
C) the least numerous species in a community.
D) a species on which many other species depend.
E) the species that occupies most of the niches within a particular environment.

Question

Quizplus · Accepted Answer

A keystone species plays a crucial role in the way an ecosystem functions. Without the keystone species, the ecosystem would be dramatically different or cease to exist altogether. They maintain the structure and integrity of the environment, despite not necessarily being the most abundant or largest.

A Keystone Species Is